Base | Representation |
---|---|
bin | 1110111011101001… |
… | …10001111101101000 |
3 | 202200200120212011011 |
4 | 13131310301331220 |
5 | 112404220140133 |
6 | 3403250513304 |
7 | 402441463600 |
oct | 73564617550 |
9 | 22620525134 |
10 | 8016568168 |
11 | 3444164354 |
12 | 1678895834 |
13 | 9a9ac447b |
14 | 56097bc00 |
15 | 31dbbe6cd |
hex | 1ddd31f68 |
8016568168 has 96 divisors (see below), whose sum is σ = 17716147200. Its totient is φ = 3390605568.
The previous prime is 8016568139. The next prime is 8016568169. The reversal of 8016568168 is 8618656108.
It is a Harshad number since it is a multiple of its sum of digits (49).
It is not an unprimeable number, because it can be changed into a prime (8016568169) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14088588 + ... + 14089156.
It is an arithmetic number, because the mean of its divisors is an integer number (184543200).
Almost surely, 28016568168 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8016568168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8858073600).
8016568168 is an abundant number, since it is smaller than the sum of its proper divisors (9699579032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8016568168 is a wasteful number, since it uses less digits than its factorization.
8016568168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 999 (or 988 counting only the distinct ones).
The product of its (nonzero) digits is 552960, while the sum is 49.
The square root of 8016568168 is about 89535.2900704521. The cubic root of 8016568168 is about 2001.3797286223.
It can be divided in two parts, 801 and 6568168, that added together give a square (6568969 = 25632).
The spelling of 8016568168 in words is "eight billion, sixteen million, five hundred sixty-eight thousand, one hundred sixty-eight".
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